The Ultimate Guide to Intranasal Peptides: Brain Repair, Focus, Sleep, Longevity & More

Intranasal peptides have become one of the most exciting frontiers in peptide research — but which ones actually make sense, and why?

In this episode, Dr. Mike Belkowski breaks down the science behind 14 different intranasal peptide formulations, explaining how the nasal cavity may provide a unique pathway to the brain through the olfactory and trigeminal nerves while partially bypassing the blood-brain barrier.

From cognitive enhancement and stress resilience to mitochondrial function, neuroprotection, sleep, circadian biology, traumatic brain injury, neuroinflammation, and healthy brain aging, this episode explores the proposed mechanisms and emerging research behind today's most talked-about intranasal peptides.

Dr. Mike reviews the evidence behind Semax, Selank, SS-31, MOTS-c, Humanin, Epitalon, Pinealon, BPC-157, KPV, DSIP, Oxytocin, and three novel peptide blends while emphasizing where the science is strongest — and where it's still highly theoretical.

Whether you're interested in brain health, mitochondrial medicine, longevity, or peptide science, this episode serves as one of the most comprehensive overviews available on intranasal peptide research.

(Educational content only, not medical advice.)

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Key Quotes From Dr. Mike:

"The nasal cavity provides one of the most unique access points we have to the central nervous system."

"Intranasal delivery isn't magic — but for the right peptide, it may dramatically change where that peptide goes."

"Semax is the accelerator, Selank is the stabilizer... One improves focus, the other improves calm."

"Humanin may be one of the most exciting mitochondrial-derived peptides for brain recovery."